Arie C. Maan
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View article: Liberal versus restrictive red blood cell transfusion strategy in acute coronary syndrome and anemia: an updated systematic review and meta-analysis
Liberal versus restrictive red blood cell transfusion strategy in acute coronary syndrome and anemia: an updated systematic review and meta-analysis Open
Background It is uncertain whether a liberal red blood cell (RBC) transfusion strategy is superior to a restrictive approach in patients with acute coronary syndrome (ACS) and anemia. Methods We searched MEDLINE, Embase, the Cochrane Libra…
View article: Intra-Individual Comparison of Sinus and Ectopic Beats Probing the Ventricular Gradient’s Activation Dependence
Intra-Individual Comparison of Sinus and Ectopic Beats Probing the Ventricular Gradient’s Activation Dependence Open
Wilson assumed that the ventricular gradient (VG) is independent of the ventricular activation order. This paradigm has often been refuted and was never convincingly corroborated. We sought to validate Wilson’s concept by intra-individual …
View article: Association between reduced heart rate variability components and supraventricular tachyarrhythmias in patients with a systemic right ventricle
Association between reduced heart rate variability components and supraventricular tachyarrhythmias in patients with a systemic right ventricle Open
In patients with a systemic right ventricle, HRV is lower compared with controls and (SDANN) is independently associated with supraventricular arrhythmias.
View article: Prevalence of ECGs Exceeding Thresholds for ST‐Segment–Elevation Myocardial Infarction in Apparently Healthy Individuals: The Role of Ethnicity
Prevalence of ECGs Exceeding Thresholds for ST‐Segment–Elevation Myocardial Infarction in Apparently Healthy Individuals: The Role of Ethnicity Open
Background Early prehospital recognition of critical conditions such as ST‐segment–elevation myocardial infarction (STEMI) has prognostic relevance. Current international electrocardiographic STEMI thresholds are predominantly based on ind…
View article: An initial exploration of subtraction electrocardiography to detect myocardial ischemia in the prehospital setting
An initial exploration of subtraction electrocardiography to detect myocardial ischemia in the prehospital setting Open
Background In the prehospital triage of patients presenting with symptoms suggestive of acute myocardial ischemia, reliable myocardial ischemia detection in the electrocardiogram (ECG) is pivotal. Due to large interindividual variability a…
View article: Electrocardiographic Detection of Left Ventricular Hypertrophy; Adding Body Mass Index and Spatial QRS-T Angle: A Cross-Sectional Study
Electrocardiographic Detection of Left Ventricular Hypertrophy; Adding Body Mass Index and Spatial QRS-T Angle: A Cross-Sectional Study Open
Electrocardiographic detection of LVH improved by adding BMI and SA to a model with conventional electrocardiographic criteria. This approach would require little extra effort and application in clinical practice is feasible. However, resu…
View article: Mobile Health for Central Sleep Apnea Screening Among Patients With Stable Heart Failure: Single-Cohort, Open, Prospective Trial
Mobile Health for Central Sleep Apnea Screening Among Patients With Stable Heart Failure: Single-Cohort, Open, Prospective Trial Open
Oxygen desaturation measured by this smartphone-compatible oximeter is a weak predictor of central sleep apnea in patients with stable heart failure.
View article: Mobile Health for Central Sleep Apnea Screening Among Patients With Stable Heart Failure: Single-Cohort, Open, Prospective Trial (Preprint)
Mobile Health for Central Sleep Apnea Screening Among Patients With Stable Heart Failure: Single-Cohort, Open, Prospective Trial (Preprint) Open
BACKGROUND Polysomnography is the gold standard for detection of central sleep apnea in patients with stable heart failure. However, this procedure is costly, time consuming, and a burden to the patient and therefore unsuitable as a scree…
View article: Normal values of the ventricular gradient and QRS-T angle, derived from the pediatric electrocardiogram
Normal values of the ventricular gradient and QRS-T angle, derived from the pediatric electrocardiogram Open
Normal values of the pediatric ECG and VCG (VG and SA) were established. These normal values could be important for future studies using VG and SA for risk stratification in heart disease in children.
View article: ExomeChip-Wide Analysis of 95 626 Individuals Identifies 10 Novel Loci Associated With QT and JT Intervals
ExomeChip-Wide Analysis of 95 626 Individuals Identifies 10 Novel Loci Associated With QT and JT Intervals Open
Background QT interval, measured through a standard ECG, captures the time it takes for the cardiac ventricles to depolarize and repolarize. JT interval is the component of the QT interval that reflects ventricular repolarization alone. Pr…
View article: Progression towards Heart Failure after Myocardial Infarction Is Accompanied by a Change in the Spatial QRS-T Angle
Progression towards Heart Failure after Myocardial Infarction Is Accompanied by a Change in the Spatial QRS-T Angle Open
Myocardial infarction (MI) is a major risk factor for heart failure (HF).The ECG is known to change during the acute and the healing phases of MI, and it stabilizes in the chronic phase.We expect that further ECG changes in the chronic per…
View article: Mobile phones in cryptogenic strOke patients Bringing sIngle Lead ECGs for Atrial Fibrillation detection (MOBILE-AF): study protocol for a randomised controlled trial
Mobile phones in cryptogenic strOke patients Bringing sIngle Lead ECGs for Atrial Fibrillation detection (MOBILE-AF): study protocol for a randomised controlled trial Open
ClinicalTrials.gov, ID: NCT02507986 . Registered on 15 July 2015.
View article: P4406The associations of overall and abdominal adiposity with ECG measures of subclinical cardiovascular disease in a middle-aged population
P4406The associations of overall and abdominal adiposity with ECG measures of subclinical cardiovascular disease in a middle-aged population Open
Prevention -Obesity 915 >1500 MASL, vs 19
View article: Association of metabolic syndrome and electrocardiographic markers of subclinical cardiovascular disease
Association of metabolic syndrome and electrocardiographic markers of subclinical cardiovascular disease Open
Metabolic syndrome score and its individual components, in particular abdominal obesity, are associated with ECG markers of subclinical CVD, showing the importance of limiting the amount of MetS components in both obese and non-obese perso…
View article: Effect of Aging on Left Atrial Compliance and Electromechanical Properties in Subjects Without Structural Heart Disease
Effect of Aging on Left Atrial Compliance and Electromechanical Properties in Subjects Without Structural Heart Disease Open
Aging is associated with changes in left atrial (LA) structure and function. The present study aimed at describing the effect of aging on LA properties in a large cohort of subjects without structural heart disease. We divided 386 subjects…
View article: Comparative Analysis of the Equivital EQ02 Lifemonitor with Holter Ambulatory ECG Device for Continuous Measurement of ECG, Heart Rate, and Heart Rate Variability: A Validation Study for Precision and Accuracy
Comparative Analysis of the Equivital EQ02 Lifemonitor with Holter Ambulatory ECG Device for Continuous Measurement of ECG, Heart Rate, and Heart Rate Variability: A Validation Study for Precision and Accuracy Open
Background: The Equivital (EQ02) is a multi-parameter telemetric device offering both real-time and/or retrospective, synchronized monitoring of ECG, HR, and HRV, respiration, activity, and temperature. Unlike the Holter, which is the gold…
View article: Serial ECG Analysis after Myocardial Infarction: When Heart Failure Develops, the ECG Becomes Increasingly Discordant
Serial ECG Analysis after Myocardial Infarction: When Heart Failure Develops, the ECG Becomes Increasingly Discordant Open
This study sought to identify an ECG variable that can be used to detect emerging heart failure (HF) in patients after myocardial infarction (MI).We adopted the spatial QRS-T angle (SA) as a measure of ECG concordance, and hypothesized tha…
View article: Subtraction electrocardiography: Detection of ischemia-induced ST displacement without the need to identify the J point
Subtraction electrocardiography: Detection of ischemia-induced ST displacement without the need to identify the J point Open
Our current study opens an alternative way to detect cardiac ischemia without the need for human expertise for determination of the J point by measuring the difference vector magnitude at 160ms after the onset of the QRS complex.